Nasubukan nyo na bang magpa-carwash sa loob ng mall parking lot? I tried once (and surely my last) sa SM North. Iga-guide ka nila sa pag park then will offer their services. Since it was a sunny day, sinubukan ko... (I paid them before leaving)

Nang balikan ko ay OK naman ang pagkalinis except sa bumpers. Yung upper half kasi ng bumpers ko ay naka-flat black. The rest are body color. I was surpised to see patches of stains (blots) on them. The carwash boy was nowhere to be found.

Usually, I clean my cars in my garage. Medyo perfectionist kasi ako, gusto ko spotless. I use Turtle Wax car shampoos etc... At hindi pa nangyari itong pagkakaroon ng stains.

Pwedeng masyadong matapang ang ginamit na chemicals or hindi nabanlawan ng tubig since mobile water tanks ang dala nila.Or pwede ring isolated case ang sa akin.

What's your experience?